package com.ocean.core.util;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.ocean.core.util.http.HttpClientUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 根据IP地址获取详细的地域信息
 * 依赖 https://lbs.qq.com/dev/console/application/mine
 *
 * @author zhang
 * @date 2021-3-23
 */
public class AddressUtil {

    private static final Logger log = LoggerFactory.getLogger(AddressUtil.class);

    // IP地址查询
    public static final String IP_URL = "http://whois.pconline.com.cn/ipJson.jsp";

    // 未知地址
    public static final String UNKNOWN = "XX XX";

    public static String getRealAddressByIp(String ip) {
        // 内网不查询
        if (IpUtils.internalIp(ip)) {
            return "内网IP";
        }
        try {
            JSONObject object = new JSONObject();
            object.put("ip", ip);
            object.put("json", true);
            String response = HttpClientUtils.httpGet(IP_URL, object, false);
            if (StringUtil.isNull(response)) {
                log.error("获取地理位置异常 {}", ip);
                return UNKNOWN;
            }
            JSONObject obj = JSON.parseObject(response);
            String region = obj.getString("pro");
            String city = obj.getString("city");
            return String.format("%s %s", region, city);
        } catch (Exception e) {
            log.error("获取地理位置异常 {}", ip);
        }
        return UNKNOWN;
    }
}